WebGLRenderingContext: isFramebuffer() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

Note: This feature is available in Web Workers.

The WebGLRenderingContext.isFramebuffer() method of the WebGL API returns true if the passed WebGLFramebuffer is valid and false otherwise.

Syntax

js
isFramebuffer(framebuffer)

Parameters

framebuffer

A WebGLFramebuffer to check.

Return value

A GLboolean indicating whether or not the frame buffer is valid.

Examples

Checking a frame buffer

js
const canvas = document.getElementById("canvas");
const gl = canvas.getContext("webgl");
const framebuffer = gl.createFramebuffer();

gl.isFramebuffer(framebuffer);

Specifications

Specification
WebGL Specification
# 5.14.6

Browser compatibility

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See also